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Finding the Fourth Proportional to 92,658,907.94, 127,869,243.56 and 50,843,247.87

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Solution

The fourth proportional to 92,658,907.94, 127,869,243.56 and 50,843,247.87 is: 70,163,654.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,658,907.94 : 127,869,243.56 = 50,843,247.87 : x
  2. Step 2: Convert to fraction form
    92,658,907.94/127,869,243.56 = 50,843,247.87/x
  3. Step 3: Cross multiply
    92,658,907.94x = 127,869,243.56 × 50,843,247.87
  4. Step 4: Simplify right side
    92,658,907.94x = 6,501,287,645,016,265
  5. Step 5: Solve for x
    x = 6,501,287,645,016,265/92,658,907.94
  6. Step 6: Final answer
    x = 70,163,654.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.